Seller Fee Calculators for eBay, Etsy, Depop, Poshmark, Mercari & Whatnot

Find out exactly how much each marketplace takes from your sale. Every fee is checked against the platform's official US fee page, with the verification date shown and a public change log.

eBay fee calculatorVerified November 4, 2026Etsy fee calculatorVerified November 4, 2026Depop fee calculatorVerified November 4, 2026Poshmark fee calculatorVerified November 4, 2026Mercari fee calculatorVerified November 4, 2026Whatnot fee calculatorVerified November 4, 2026Compare all platformsWhich keeps the most money?

How we keep the numbers accurate

We check each platform's official fee page every day. When a page changes, that platform is flagged until we re-verify it, and a warning appears on its calculator. Every calculator is tested against the platforms' own worked examples. Read our methodology.